Small simple polymer sample preparation auxiliary equipment for laboratory
By designing a small and simple polymer sample preparation auxiliary device, the problems of difficult and costly laboratory sample acquisition were solved, and low-cost and easy-to-operate sample preparation was achieved.
Patent Information
- Application Number
- CN202520126394.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Obtaining polymer test samples in the laboratory is difficult, and existing equipment is costly and cumbersome to operate, making it difficult to meet the needs of preparing small quantities of samples.
A small, simple polymer sample preparation auxiliary device was designed, including a heating tank, piston, and support, equipped with a heating coil and a digital temperature controller, which can easily produce a small number of samples using a simple mold.
It enables low-cost and easy-to-operate preparation of laboratory samples, meeting the laboratory's need for small quantities of samples and reducing equipment costs and operational complexity.
Smart Images
Figure CN223910605U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of polymer sample preparation, in particular to a small and simple polymer sample preparation auxiliary device for laboratory use. BACKGROUND
[0002] Polymer-related professional experiments usually involve experiments related to polymer material testing, such as impact strength determination, plastic Vicat softening point determination, Martin heat resistance, tensile strength determination, etc. Most of the samples required for these experiments are obtained by purchasing or injection molding equipment. Due to the small number of customers requiring samples and the small number of vendors selling samples, the selection of materials for purchased samples is small, and it is often difficult to purchase samples that fully meet the experimental requirements, and the price is relatively high. Injection molding equipment can control the raw materials of the sample according to the needs, and injection molding equipment can control the raw materials of the sample according to the needs. However, injection molding equipment is large, occupies a certain place, and the price is high; when producing samples, preheating, temperature control, speed control, etc. are required, and the operation is relatively complicated. Therefore, when the laboratory needs a small amount of sample, the use of injection molding equipment is costly and has a low cost performance. SUMMARY
[0003] To solve the above problems, the purpose of the present application is to provide a small and simple polymer sample preparation auxiliary device for laboratory use, which is used with a common simple sample mold to meet the purpose of preparing a small amount of sample in the laboratory, has low cost, simple equipment, and is easy to operate.
[0004] A small and simple polymer sample preparation auxiliary device for laboratory use, comprising a device main body and a piston, the device main body comprising a tank body for containing and heating raw materials, the tank body being composed of an inner wall and an outer shell, a heating coil being arranged in the cavity formed between the inner wall and the outer shell and being filled with heat insulation cotton, the heating coil being electrically connected with a power supply, the upper end of the tank body being hingedly connected with a tank cover, the lower end of the tank body being provided with a downwardly extending outlet pipe, a nut with a small hole being threadedly connected with the lower end of the outlet pipe, a cap being sleeved outside the nut, the cap being used to close the small hole on the nut; the piston is matched with the inner wall of the tank body and is used to insert into the inside of the tank body and push the molten material formed after the raw materials are heated out of the small hole on the nut.
[0005] Further, the middle of the tank cover is further provided with a glass observation port, which facilitates observation of the melting state of the raw materials in the tank.
[0006] Further, a handle is fixed to the outside of the tank body, and the device main body can be lifted by the handle.
[0007] Further, the upper part of the tank body is a cylindrical body, and the lower part is a conical body; the lowermost end of the outlet pipe is a discharge port.
[0008] Further, the inner diameter of the upper cylinder of the tank body is 2-3 cm, and the height is 10-30 cm; the diameter of the discharge port is 10-15 mm, the diameter of the small hole on the nut is 2-5 mm; and the inner wall of the tank body is made of stainless steel.
[0009] Further, the laboratory small simple polymer sample preparation auxiliary equipment further comprises a support, the support comprises an iron ring arranged horizontally and a plurality of supporting legs fixedly connected with the iron ring, and the equipment main body is buckled with the iron ring through buckles arranged outside the tank body, so that the discharge port is separated from the desktop by 5-10 cm due to the support of the support.
[0010] Further, the heating coil is connected with the power supply through a switch, and a digital temperature controller is further arranged between the switch and the heating coil, and the switch and the digital temperature controller are arranged on the shell of the tank body.
[0011] Further, the piston comprises a pressing disc, a connecting rod and a piston head, the upper end of the connecting rod is fixedly connected with the pressing disc, and the lower end is fixedly connected with the piston head, and the shape of the piston head is matched with the inner wall of the conical body of the lower part of the tank body; when the piston head is pressed to the bottom end of the tank body, the top end of the connecting rod is higher than the top end of the tank body by 3-5 cm, so that the piston head can be pressed to the bottom end of the tank body; during sample preparation, the piston is inserted into the tank body, and the pressing disc is pressed by hand, and the piston head pushes the molten raw material out of the small hole on the nut.
[0012] Compared with the prior art, the laboratory small simple polymer sample preparation auxiliary equipment has the following beneficial effects:
[0013] The laboratory small simple polymer sample preparation auxiliary equipment solves the problems of difficult sample acquisition and high price, can meet the purpose of preparing a small amount of samples in the laboratory, has low cost, simple equipment and easy operation. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic view of the embodiment laboratory small simple polymer sample preparation auxiliary equipment;
[0015] REFERENCE NUMERALS
[0016] 11-tank body, 12-tank body cover, 13-nut, 14-cap, 15-handle, 16-buckle, 31-pressing disc, 32-connecting rod, 33-piston head. DETAILED DESCRIPTION
[0017] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the following will combine the preferred embodiments and the drawings to specifically explain the laboratory small simple polymer sample preparation auxiliary equipment according to the utility model, the specific implementation mode, structure, features and effects of the laboratory small simple polymer sample preparation auxiliary equipment, as follows.
[0018] In the description of the utility model, it is understood that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0019] An embodiment of a small and simple polymer sample preparation auxiliary equipment for laboratory, as shown in Figure 1 The upper end of the tank body 11, specifically the upper end of the shell of the tank body 11, is hinged to a tank cover 12, and the lower end of the tank body 11 is provided with a downwardly extending outlet pipe, the lowermost end of the outlet pipe being a discharge port, a nut 13 with a small hole being threadedly connected to the lower end of the outlet pipe, the nut 13 being externally sleeved with a cap 14 to close the small hole on the nut, thereby preventing the molten material from flowing out before sample preparation; when sample preparation is performed, the cap 14 is opened, and the small hole on the nut 13 can make the flowing-out material finer, facilitating the material to flow into a mold for sample preparation. After the equipment is used, the nut 13 is unscrewed, and the molten material can flow out from the discharge port more quickly, facilitating cleaning of the molten material.
[0020] In this embodiment, the heating coil is connected to the power supply through a switch, and a digital temperature controller is further arranged between the switch and the heating coil, and the switch and the digital temperature controller are arranged on the shell of the tank body 11.
[0021] In this embodiment, a glass observation port is further arranged in the middle of the tank cover 12, facilitating observation of the molten state of the polymer in the cavity of the tank body 11.
[0022] In this embodiment, a handle 15 is welded to the outside of the tank body 11, and the equipment main body can be held up through the handle 15.
[0023] In this embodiment, the upper part of the tank body 11 is a cylindrical body, and the lower part is a conical body, the upper part being a cylindrical body to facilitate heating and melting of the material, and the lower part being a conical body to facilitate the molten material to flow out from the discharge port; the inner diameter of the upper cylindrical body is 3 cm, and the height is 20 cm; the diameter of the discharge port is 5 mm, and the diameter of the small hole on the nut is 2 mm; and the inner wall of the tank body 11 is made of stainless steel.
[0024] In the embodiment, the laboratory small simple polymer sample preparation auxiliary equipment further comprises a support (as shown in Figure (b)) and a piston (as shown in Figure (c)), the support comprises an iron ring arranged horizontally and three supporting legs welded with the iron ring, and the equipment body is connected with the iron ring through the buckle 16 arranged outside the tank body 11, and the equipment body is placed on the support, and the discharge port is separated from the table by 10 cm due to the support, so that the sample preparation is facilitated.
[0025] The piston comprises a pressing disc 31, a connecting rod 32 and a piston head 33, the upper end of the connecting rod 32 is welded with the pressing disc 31, and the lower end of the connecting rod 32 is welded with the piston head 33, the piston head 33 is made of stainless steel and is matched with the inner wall of the lower part (i.e. the conical body) of the tank body 11 in shape, when the piston head is pressed to the bottom end of the tank body, the top end of the connecting rod is higher than the top end of the tank body by 5 cm, in use, the piston is inserted into the tank body 11, and the pressing disc 31 is pressed by hand, and the molten raw material is pushed out from the small hole in the nut 13 by the piston head 33.
[0026] Taking the preparation of the sample sheet for the Vicat softening temperature determination experiment (made of polyethylene) as an example, the equipment body is placed on the support and connected through the buckle, the tank cover 12 is opened, the polyethylene particles are added into the tank body 11, the tank cover 12 is closed, the power supply is connected, the temperature of the digital display temperature controller is set to 180 DEG C, the switch is turned on, whether the polyethylene particles are melted is observed through the observation port of the tank cover 12, when the polyethylene is completely melted, the purchased sample sheet mold for the Vicat softening temperature determination experiment prepared in advance is placed below the discharge port, the cap 14 sleeved on the nut 13 at the lower end of the outlet pipe is opened, the small hole in the nut 13 is aligned with the mold, the tank cover 12 is opened, the piston is inserted into the tank body 11, the pressing disc 31 of the piston is pressed by hand, the molten polyethylene is pushed out from the small hole in the nut 13 by the piston head 33, when the polyethylene is filled in the mold, the mold is removed, the nut connected at the lower end of the outlet pipe is unscrewed, the excess polyethylene in the tank body 11 is cleaned, and finally the power supply is turned off.
[0027] The above merely describes the embodiments of the present application, and does not limit the present application in any form, and the present application can also have other forms of embodiments according to the above structure and function, which will not be listed one by one. Therefore, any skilled person in the art, without departing from the technical solution range of the present application, according to the technical essence of the present application, any simple modification, equivalent change and modification of the above embodiments, still belongs to the range of the technical solution of the present application.
Claims
1. A small and simple polymer sample preparation aid for laboratory use, characterized by, The utility model provides a kind of laboratory small simple polymer sample preparation auxiliary equipment, including equipment body, piston, equipment body includes the jar for containing and heating raw material, jar is made of inner wall and shell, the inner wall is fixedly connected with shell and the cavity formed between two is filled with heat insulation cotton and is provided with heating coil, heating coil is electrically connected with power supply, the upper end of jar is hinged jar cover, the lower end is provided with downwardly extending outlet pipe, nut with small hole is threadedly connected with the lower end of outlet pipe, cap is set outside the nut;Piston is matched with the inner wall of jar.
2. The small-sized simple polymer sample preparation aid for laboratory use according to claim 1, characterized by, The middle of the jar cover is further provided with a glass observation port.
3. The small-sized simple polymer sample preparation aid for laboratory use according to claim 1, characterized by, The outer part of the jar is fixedly connected with a handle.
4. The small-sized simple polymer sample preparation aid for laboratory use according to claim 1, characterized by, The upper part of the jar is a cylinder, and the lower part is a cone; the lowermost end of the outlet pipe is a discharge port.
5. The small and simple polymer sample preparation aid for laboratory use according to claim 4, characterized by, The inner diameter of the upper cylindrical part of the jar is 2-3 cm, and the height is 10-30 cm; the diameter of the discharge port is 10-15 mm, and the diameter of the small hole on the nut is 2-5 mm.
6. The small and simple polymer sample preparation aid for laboratory use according to claim 1, characterized by, The laboratory small simple polymer sample preparation auxiliary equipment further includes a bracket, the bracket includes a horizontally arranged iron ring and a plurality of supporting legs fixedly connected with the iron ring, and the equipment body is buckled connected with the iron ring through the buckle provided on the outer part of the jar.
7. The small and simple polymer sample preparation aid for laboratory use according to claim 1, characterized by, The heating coil is connected with the power supply through a switch, and a digital temperature controller is further arranged between the switch and the heating coil, and the switch and the digital temperature controller are arranged on the shell of the jar.
8. The small and simple polymer sample preparation aid for laboratory use according to claim 1, characterized by, The piston includes a pressing disc, a connecting rod and a piston head, the upper end of the connecting rod is fixedly connected with the pressing disc, and the lower end is fixedly connected with the piston head, and the shape of the piston head is matched with the inner wall of the conical part of the lower part of the jar; when the piston head is located at the bottom end of the jar, the top end of the connecting rod is 3-5 cm higher than the top end of the jar.